Short circuit current for transformer: Generally we know short circuit current is nothing but low impedance path having abnormal contacts between two points of different potentials. so short circuit calculation is very important to protect the equipment and people from high mechanical force and high heat stress. so we need to calculate the short circuit…

Carbon brush: why we are always using carbon brush in motor instead of using copper or other material brushes. because there are multiple advantages behind in the carbon brushes. so here we will briefly discuss about what are the advantages in using carbon brush in dc motors. Advantages of carbon brush: There are 5 main…

What is Alternator: Generally Alternator also called AC generator. Alternator is a machine used to convert the mechanical power into electrical AC power with specific voltage and frequency. Alternator is having stationary armature conductor and rotating magnetic field. the rotating mechanical source is connected to shaft of the alternator. shaft is connected with rotor of…

Induction Motor: Most widely used motor in the electrical field is induction motor. This motor is one of the type of AC motor. induction motor is basically running with asynchronous speed. that means speed of the motor is not constant. when ever load increased the speed of the induction motor is reduced. the induction motor…

Transistor: Transistor is an electronic device and its made of semiconductor material. mostly silicon used as a semiconductor material. transistor having many uses. transistor act as a switch, voltage regulation process, modification of signals, amplification of signals. when N-type or P-type semiconductor is connected between two P-type or N- type semiconductor then its look like two PN junction diode….

Difference between conductor and insulator: What is conductor: Generally conductor is a material which is allow the current from one place to another place. otherwise we can say the material which is allowing current flow then that material is called conductor. the some example of conductor is coper, aluminum, silver, gold, etc. What is insulator:…

What is Inverter: Inverter is an electrical equipment which is used to convert dc supply into AC supply. there are two different types of inverter used in the electrical field. they are given below, square wave inverter sine wave inverter here we will going to see about how to convert pure dc into pure ac…

WHAT IS SLIP RING INDUCTION MOTOR : Generally we all are know induction motor is most widely used motor in industrial. induction motor is self starting motor and also speed of the induction motor is purely depend on supply voltage. slip ring induction motor is one of the type of 3 phase induction motor. slip ring…

what is Electric car – how electric car working: in the modern world most advanced technique used to made this electric vehicles. mostly electric car working by electrical motor instead of mechanical engine. the electric car main running source is battery. main advantage of electric car is high performance, no noise, no pollution to environment,…

DC battery charger First of all we should know dc battery charger or DC UPS both are same. The function of DC battery charger is to convert AC main supply into DC supply and send to dc load and also its store the dc supply into battery bank and whenever main supply is failed then…